koel/resources/assets/js/utils/floatingUi.ts
2022-11-13 12:58:28 +01:00

33 lines
820 B
TypeScript

import { computePosition, ComputePositionConfig } from '@floating-ui/dom'
export const updateFloatingUi = async (
reference: HTMLElement,
floating: HTMLElement,
options: Partial<ComputePositionConfig>,
arrow?: HTMLElement
) => {
const { x, y, middlewareData } = await computePosition(reference, floating, options)
floating.style.left = `${x}px`
floating.style.top = `${y}px`
if (arrow) {
const { x: arrowX, y: arrowY } = middlewareData.arrow
const staticSide = {
top: 'bottom',
right: 'left',
bottom: 'top',
left: 'right'
}[options.placement.split('-')[0]]
Object.assign(arrow.style, {
left: arrowX != null ? `${arrowX}px` : '',
top: arrowY != null ? `${arrowY}px` : '',
right: '',
bottom: '',
[staticSide]: '-4px'
})
}
}